20540730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97813}}^1$

素因数の和:97830

約数の個数: 32

約数和(自身を含む): 56340864

約数和(自身を除く): 35800134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97813, 195626, 293439, 489065, 586878, 684691, 978130, 1369382, 1467195, 2054073, 2934390, 3423455, 4108146, 6846910, 10270365, 20540730]

約数ペア:

[(1, 20540730), (2, 10270365), (3, 6846910), (5, 4108146), (6, 3423455), (7, 2934390), (10, 2054073), (14, 1467195), (15, 1369382), (21, 978130), (30, 684691), (35, 586878), (42, 489065), (70, 293439), (105, 195626), (210, 97813)]